What is the purpose for post tests a To determine whether or

What is the purpose for post tests?

a.

To determine whether or not a Type I error was committed

b.

To determine how much difference exists between the treatments

c.

To determine which treatments are significantly different

d.

None of these

Solution

In several treatments, we may just know that there\'s something different in a group we don\'t know.

Thus, we run post tests to determine which treatments differ. Hence:

OPTION C. To determine which treatments are significantly different [answer]